A small Iowa town has forced a retired Chicago cop and Vietnam veteran to part with the service dog who was helping him cope with a profound stroke that left him with no feeling on the right half of his body.

The dog’s crime? He is a pit-bull mix. It seems Aurelia — a town whose motto is “savor the sweet life” — banned the breed in 2008 after a pit bull bit a meter reader.

He and his wife, Peggy, recently moved to her hometown of 1,100 people to be closer to his ailing…