Heat oil in a large skillet and brown the chicken then transfer the chicken to a 3-quart slow cooker. In the same skillet, saute onion until tender. Add jalapeno, garlic and stir for about 2 minutes until soft and fragrant. Add to slow cooker. Pour in the chicken broth and seasonings. Cook on low for 4 hours, then add in the cream cheese and continue cooking for an additional hour. Add the beans during the last 30 minutes.