I would suggest jacking wheel off of ground, scotch wheels and release brakes to see if wheel will turn by hand. If not able to turn by hand try backing off on brake adjuster. If it turns free now check to see if slack ajuster is tightning up on its own. Also try to raise tire and wheel with a bar to see if wheel bearing is loose. If backing off brake didn't help and no movement up and down on tire and wheel I would check to see if bearing is to tight or going bad. Hope this finds your problem.