1 lb boneless skinless chicken breast, cubed

1 medium onion, small diced

1 T vegetable oil

2 cans cannellini beans

14.5 ounces chicken broth

2 4-ounce cans chopped green chilies

1 tsp salt

1 tsp cumin

1 tsp oregano

1/4 tsp cayenne

2 garlic cloves, minced

1/2 cup half & half

8 ounce reduced fat sour cream