Not much, just a little. Unless you have zero muscle you should be able to spin one.
if you're not sure, take the caliper and pads off....that's how free it should be.
Then start over again and with everything on spin the wheel. It's normal to hear the pads rub a little tiny bit sometimes but there shouldn't be any pressure.
Does your Jeep move forward, in Drive, on its own from a dead stop when you let go the brake pedal without touching the gas pedal?
Take stuff apart tomorrow, stop worrying so much and get yer hands dirty. If you have any problems we (the forum) are open on Saturdays and Sundays, so come on board and ask more questions :smokin: