Hi Larry.
I just saw this.
It is normal for the front wheels of an all wheel drive or front wheel drive to have a disparity in their speeds, unless equipped with a limited slip front differential. Our cars are not so equipped.
If you were to block the left front wheel, AND NOTHING WAS WRONG, the right front would spin instead.
Do not do this!!!!!
Because if something IS wrong, the car can the pull itself forward off the jacks, or spit the wheel chalk out with conciderable force!
From the description, I would check, drain, and refill the rear differential to see if that quiets it down.
As always feel free to call.
Tom
301-707-3437