Cowboy Dinner

1 (14 ounce) package smoked sausage, sliced
1 cup thick salsa
1 cup barbecue sauce
1 cup corn, canned or frozen
1 (15 1/2 ounce) can kidney beans, drained
1 (3 pound 5 ounce) can pork and beans, drained
1 medium onion, chopped

Combine all the ingredients in a large soup pot. Bring to a boil, then reduce the heat and simmer for 5 to 10 minutes.