That's like my Albin. An early narrow stern boat w a more FD hull. Love the hull but it's got a wicked snap roll. That hull was designed for a 22hp engine. The real interesting thing about the engine (for those that don't know) is that it was designed and created first. Then they (Albin) designed the boat for the engine. A very unusual chain of events.
Now back to the rudder. If you can't operate the rudder by hand via the rudder horn there is a problem w the rudder. I remember the rudder "shoe" (strut) and support for the rudder from below) terminates with an unusual bearing on the bottom of the rudder. That could be a problem.
Don't remember the upper bearing but a careful look at it is probably in order before hauling .. but I'm betting you'll need to pull her back out. I know the feeling as I think I'll need to pull Willy back out for a prop change.
North Western Washington State USA