BEAN TACO SOUP

1 lb. chopped chicken, roast beef or ground beef
1 onion, chopped
1 (16 oz) can kidney beans, with liquid
1 (16 oz) can white beans, with liquid
1 (16 oz) can pinto beans, with liquid
1 (16 oz) can whole kernal corn, with liquid
1 can Ro-tel tomatoes with chilies and liquid
1 (16 oz) can stewed tomatoes, with liquid
1 pkg. taco seasoning mix
1 pkg. Ranch dressing mix

Saute ground beef & onion; drain. Add remaining ingredients, bring to boil and simmer for 15-20 minutes. Top with sour cream, tortilla chips and grated cheese. If using chopped and cooked chicken or roast beef, saute onions in a little oil and then add meat. Could be heated in a crockpot until well blended.