Bad right front wheel bearing.
Bad wheel bearings usually cause a grinding noise, and are known to only cause it when turning.
Have your brakes checked, rust or wear on brakes can cause grinding when turning.
possibly your wheel bearing is on its way out
The grinding is a worn CV joint. Get it replaced before it causes more damage! A worn wheel bearing will make the same noise answer worn wheel bearings or worn brake pads will be the cause
A bad wheel bearing also when turning it sounds worst or straight driving
not sure sound like it comes from front suspension
scraping sweeking grinding clicking sounds like something is grinding will be most apparent when turning
If you vehicle is front-wheel drive, more than likely, that grinding crunching sound when you turn is coming from the CV joints.
lower ball joints need lubed up or probably replaced.
The "awful grinding sound" might be a problem with your power steering
A few things could be causing a grinding sound when turning. It could be a cv axle, ball joint, tie rod end, or bracket pin steering.
Transfer case is shot.