Grinding noise 68 cuda

Yes a shoe can stick. More accurately, the wheel cylinder may have rusted up internally. Now hydraulic pressure can overcome the stiction, but the return springs may not be able to.Have a helper step on the brake,and release it as you are attempting to spin the wheel or drum. Upon release of the pedal the drum should immediately turn.
It could also be a faulty flex-hose, not allowing the fluid to return.
1/8 inch play in a wheel bearing, is a lot.An awful lot. I think the spec is around .008 inch. I set mine tighter.