Need help! 78 Brat rear passenger wheel stuck wont spin..

[biffanyus]

Well got the brat back but recently came to an issue. The passenger rear wheel was showing signs of sticking like when you first moved it and then rubbing stutter on occaision when driving. Know it wont spin at all and is completely stuck. What will cause this. Car did sit for a few yeas before I got it back. Is it the brake shoes and hardware that might have stuck or something worse?? Anything simple I can do to try and loosen it or should I leave it up to a mechanic.. PS I'm not very mechanical inclined...any advice will hopefully help..

[ironworkerboomer]

I would check brakes first. They have a habit of freezing up if it's not driven.