If you pull the parking brake on while on the stands and then release them, the wheels should turn free. Also there should be no drag from the brakes when at rest. Those one Ton drums are very scarce so this is one problem you don't want to linger.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!