so when the car is not moving, there is no squealing noise? and it only does it when turning right?
if it was the power steering, won't it do it whether it's moving or not, and when steering in any direction?
i don't think it could be ball joints.
i'm also with fliptuner on there possibly being contact with something metal, such as the brake disc or the wheel touching something... but it's not doing it in a straight line?