Candice's White Bean Chicken Chili

2 boneless, skinless chicken breasts cut into bite size pieces
1/2 onion, chopped
1 Tbsp. oil
1 c. chicken broth
3-15 oz. cans white beans, rinsed and drained
1-10 oz. can Western Family or Kroger Green Enchilada sauce
1-7 oz. can diced green chilies
1/4 tsp. red pepper flakes, optional
1/2 tsp. oregano
1 tsp. cumin
1 tsp. crushed garlic

Saute onion in oil until translucent. Add chicken and cook until no longer pink. Add remaining ingredients. Bring to a boil and then simmer 30 minutes. Serve with cheese, sour cream and tortilla chips.