Hi Lily,
Are you saying the parking brake release cable is broken off the release handle or the cable that runs to the parking brakes is broken?
Here is a resource in the event the brake drum is stuck:
https://www.2carpros.com/articles/how-to-replace-rear-brake-shoes-and-drums
However, it sounds like the brake is applied which is why the wheel doesn't turn. If this is the case then there is not enough adjustment in the adjuster that you turned in order to release the brake. You will need to actually release the lever in order to release it.
Attached is the procedure to do this. Hopefully this gets you what you need. Let me know if you need anything else. Thanks
Images (Click to make bigger)
SPONSORED LINKS
Sunday, February 21st, 2021 AT 1:11 PM