Taco Soup

Ingredients:
1 onion, chopped
1 (16 ounce) cans chili beans
1 (15 ounce) cans black beans
1 (15 ounce) cans whole kernel corn, drained
1 (8 ounce) cans tomato sauce
1 (12 fluid ounce) cans or bottles beer
2 (10 ounce) cans diced tomatoes with green chilies, undrained
1 (1.25 ounce) packages taco seasoning
3 whole skinless, boneless chicken breasts
shredded Cheddar cheese (optional)
sour cream (optional)
crushed tortilla chips (optional)

Directions:
Combine all ingredients in slow cooker and cook on low for 7 hours. From Allrecipes.com