White bean chicken chili

This is one of the best chili recipes I have ever had. Super easy to make! Got this from my good friend Rhinda Crockett. She is actually Neils cousin (her grandpa Elmer and Neils grandpa Wayne are brothers) Gotta love this on a chilly day!

3 cans white navy beans or great northern beans
1/2 large onion
1 cube butter
1/4 cup flour
3/4 cup chicken broth
2 cups milk
2 tsp. tobassco
4 oz. diced green chili
3/4 tsp. chili powder
1/2 tsp. cumin
1/2 tsp. salt
1/2 tsp. pepper
4 1/2 cooked and shredded chicken breasts
1 1/2-2 cups shredded monterey jack cheese

In 2T. butter sautee onions. In large saucepan add butter and flour. Mix and add broth and milk. Bring to boil. Turn down heat add other ingredients. Heat through and serve.