STEERING WHEEL A WHILE BACK MY STEERING WHEEL GOT HARD I ADDED POWER STEERING FLUID BUT THE PROBLEM WAS STILL DERE KAN ANYONE HELP

That is strange because they are unrelated.

The power steering works using a pump that has a pulley and is turned by the Serpentine belt. Where you put the fluid, did it look like this?

https://www.carparts.com/power-steering-pump/jeep/grand-cherokee/2003

https://www.google.com/search?q=2003+jeep+grand+cherokee+power+steering+pump

The Brake Master Cylinder has a similar reservoir and also has a brake booster that uses vacuum power from the engine to give you a mechanical advantage. Both are shown here

https://www.ebay.com/b/Brake-Master-Cylinders-Parts-for-Jeep-Grand-Cherokee-for-2003/33566/bn_87327012

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Do a complete P.S. fluid flush. Running the system when low can burn the fluid.

You likely have a bad power steering pump or a hose that is leaking. Do not put any fluid other than power steering fluid in the power steering reservoir. if you do you will wreck the hoses and pump. Better not drive it till you get it repaired or you may ruin something else or have an accident.

It has to go somewhere

I suspect the steering rack is worn out &
the fluid is in the bellows & will be on the ground as well

YOU HAVE A RUPTURE PRESSURE LINE IF YOU HAVE NO POWER STEERING FLUID IN THE POWER STEERING RESERVOIR.LOCATE LEAK THEN BLEED POWER STEERING SYSTEM BY ADDING POWER STEERING TO RESERVOIR.DONT OVER FILL BY FULL COLD MARK ON POWER STEERING DIP STICK.ADD FLUID TO RESERVOIR WAIT A 2 MINUTES.CHECK FLUID LEVEL AGAIN.WHEN POWER STEERING FLUID LEVEL STOP DROPPING.START ENGINE LET IT RUN FOR 10 SECONDS.THEN TURN OFF ENGINE CHECK POWER STEERING FLUID ADD FLUID IF FLUID LEVEL DROPS. WHEN FLUID LEVEL STOP DROPPING.SAFELY RAISE SUPPORT VECHICLE FRONT WHEELS.START ENGINE.NOW TURN STEERING WHEEL GENTLY FROM STOP TO STOP MEANING LEFT TO RIGHT DONT HOLD IN POSITION.LET THE STOP TO STOP BE QUICK.CHECK POWER STEERING FLUID AFTER YOU HAVE TURN STEERING WHEEL ABOUT 7 STOP TO STOP.WHEN FLUID LEVEL STOP DROPPING YOU AT HOT MARK ON DIP STICK BLEEDING PROCESS COMPLETE.TURN OFF ENGINE LOWER VECHICLE BACK TO GROUND WAIT ABOUT 5 MINUTES CHECK YOUR FLUID LEVEL.IF FLUID LOOKS LIKE A TAN COLOR.YOUR POWER STEERING SYSTEM FULL OF AIR.TURN OFF VECHICLE LET VECHICLE SET A LONG WHILE TO AIR BUBBLES SETTLE DOWN LOOK FOR LEAKS AROUND POWER STEERING PUMP FRONT SEAL AND CHECK FOR LEAKS AROUND POWER STEERING LINES.

power steering fluid does NOT go anywhere near the boot.but when you fitted a new rack did you turn steering wheel fully left and right several times to prime the rack and then check the fluid.....half a quart is a lot of fluid to add to the system (change your mechanic ASAP)MY BICHON COULD DO BETTER....

First question is : Was the fluid added marked as poere steering fluid? If so, it's odd that the steering would suddenly become hard. What I would do is disconnect the return line (the one that has a hose clamp on it, not a pressure fitting)
Drain the system there and refill with fresh fluid. Since the fluid has not been changed, you may want to do this twice after running it for a few minutes between changes. If this does not restore proper operation then the pump or steering rack has an internal problem and will need to be diagnosed by someone with experience.

turn car off turn steering wheel from left to right all the way each way for about 10 to 12 times with it full of fluid you have air in your system and that will bleed it out in most cases

You added too much fluid. You should reduce it too the proper level. You can dip it out.
I have posted the solution to your hard steering problem in your other posts.

the problem could be contamination in ps fluid.i would flush the system and replace fluid first .if that does not solve the pronlem you most likely need power steering pump. the steerjng box is very unlikely.