Chicken Rice Casserole

3 chicken breasts
1 can French Onion soup
1 1/2 can chicken broth (can use water from boiled chicken)
2 chicken bouillon cubes
1/2 c. butter
1 1/2 c. uncooked rice

Boil chicken breasts until tender. Cool and break into small pieces. put chicken into a 2 qt. casserole dish. Add remaining ingredients and bake at 375 degrees, uncovered for 1 hour or until rice is done.