Your emergency break is stuck and it drags the car?

could be this or that ,but get a can of wd & spray the emergency brake cable. it runs along the frame or front drive it runs along bottom of car then wish bones to rear wheels.

If that will not work spray WD inside rear brake drum. there should be a rubber stop pluged into rear drum. pull out rubber stop & spray line. If that will not help you ,you will have to pull rear brake drums off to get to cable.