Do you remember this movie?

A guy who looks like Desi Arnaz Jr saves a girl from some danger. She is a witch and to pay back the favor she uses her powers to cure him from lumbar pain he got from an accident years ago.
They fall in love and she is kidnap by some witch hunters so he goes to her rescue just to discover too late, everything was to frame him and sacrifies him to bring back Caninus. A dog looking god that the witches worship.