Originally Posted by tidefan1967
Remove the tire and try spinning the hub. If it turns really easy/keeps turning after you spin it for even a second then its bad and needs to be replaced.
Do this but before spinning collapse the brake piston to take the brake drag off of the rotor.
Even then if it is 4WD, it may stop quickly due to the axle drag. Spin and see if you can feel or hear the slightly noise.