1. In the bowl of your crockpot, combine the chicken, onion, garlic, chili powder, paprika, cumin, salt, chipotle chile peppers, pineapple juice, pineapple, and poblano pepper. Cover and cook on LOW for 6-7 hours or on HIGH for 4-6 hours. Once the chicken is done cooking, shred with two forks. Finish as directed above.