Ok so today I went the tire shop to have my tire patched and all went well. Until the next morning and the tire was flat again smh. So I decided to take the wheel off and have the tire replaced but upon taking off the lugs two snapped off.

Sooooooo went to pick up two studs and install them but the rotor fought me for a bit but I got it off but I noticed the wheel wouldn't spin and the parking brake wasn't engaged. Is this normal?

Also in my rushing I didn't even hook my caliper back up (rushing always leads to eff ups).

So when I decided to leave and drive off and I noticed my car was extremely faster on acceleration than it's ever been but of course the caliper wasn't hooked up but now I'm wondering...

Has my caliper been seized all this time? Frozen parking brake? Bad hub?

Any ideas?

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If the parking brake shoes were stuck, it would make removing the rotor difficult.
Now it's spinning more freely - or feels that way - it could be because the parking brakes are now free or because the brake caliper is off (and was actually seized). You can check the slider pins to see if the caliper is frozen. They normally seize and/or bend.
Also, check the left vs right rear rotors to see if one looks more worn or shows signs of being engaged constantly. You can do the same with the inner drums of the rotors or by checking the drum shoes. The parking brake pads don't normally last long if left engaged.

How did you just bolt the wheel up with the caliper hanging there anyway.... definitely check you haven't damaged anything!

 

Definitely rushing but the caliper is fine. Only made it about a half a block until I noticed something was wrong. I'll take a look at the other rotor in the am. Thanks

 

It does sound like a frozen caliper, overheated the wheel studs and ruined the temper and allowed them to snap off. I'd bleed the brakes VERY thoroughly when you get everything assembled, the fluid is probably cooked as well.