Chicken Tortilla Soup

1 onion, chopped
4 chicken breasts
32 oz chicken broth
1 can pepperjack soup
1 can corn
1 can diced tomatoes (not drained)
1 can black beans (not drained)
1 box (6oz) rice mix
Fiesta party dip
3 cups water

Cook chicken breasts, and shred/dice into small pieces. Add all other ingredients besides rice into pot, and boil for 10 minutes. Add rice mix and 3 cups water. Cook covered for 20 minutes on a simmer, stirring about every 5 minutes.