Boil sausage with cabbage in water until sausage is cooked thoroughly, about 1 hour; drain.
Meanwhile, prepare rigatoni per box directions; drain.
Heat spaghetti sauce, beans, and onion in a saucepan, allowing to simmer over low heat.
Pan fry bacon until slightly cooked; remove from heat, cut into 1-inch pieces and set aside.
When sausage is done, cut into small chunks.
Add chunked sausage, cabbage, rigatoni, and bacon pieces to the sauce. Add hot sauce, with discretion, to taste.
Top with shredded Cheddar, chopped green onion, and a dollop of sour cream.