In the slow cooker combine the the onion, bell pepper, pinto beans, cilantro, salt, pepper, cumin, chili powder, and salsa.
Place the chicken on top of the mixture. Cover and cook on LOW for 6 hours without opening.
Remove chicken and shred the chicken with 2 forks. Add the chicken back in along with the minute rice and combine. Cover and cook on high for 20 minutes more or until ice in tender.