Many things can cause that, the simplest cause being lack of Power Steering fluid.
If the sound is a loud growling , whining, noise you're probably low on power steering fluid. Now the cause of the fluids loss is WHERE ?
Power Steering pump my have a leak...
Bad wheel bearings usually cause a grinding noise, and are known to only cause it when turning.
It probably needs steering fluid.
could be control arm bushings gone bad
The drive shaft may need to be tightened
most grinding noises that come from turning is usually a cv axle that needs to be replaced. Can also be a bad wheel bearing. If you hear the grinding when turning to the right then the left front wheel bearing is bad.
Power Steering Fluid Or Power Steering Pump
bad rack and pinion
If its making a horrible grinding noise, it could be the bearing!
if clicking is in turns than a front axle needs replaced. if turning right it is your left axle-- turning left it is your right axle!! the clicking is the cv joint in axle.
Might be due to low/no fluid level in the power steering reservoir.