Season your chicken with salt and pepper and put in the hot skillet (or your Ninja 3-in-1 Crockpoon medium heat. Brown chicken breast on both sides, about 3 minutes on each side.
Add all other ingredients into the crockpot (including chicken), cover and turn on high for two hours.
Remove chicken and shred with forks or with a hand mixer.
Add chicken back to the crockpot, season with salt & pepper to taste and enjoy!
** Top with sour cream, tortilla strips or crushed tortilla chips.