Heto ang gawin ninyo.

Check power steering fluid, bring it to proper level.
Check power steering belt tension at least 1/2 play when you push it down w/ your finger on the middle. Do not over tighten the belt it could damage your pump.
Bleed your power steering by turning lock to lock your steering w/ your engine idling left to right until that squeeking sounds gone. While doing this constantly cheking your fluid for proper level, add if necessary. good luck boys.