Add salsa, the juice of the lime, cilantro, seasoning and chicken breast to a crockpot; mix together, cover crockpot and cook on low for 4 hours.  (Be sure your chicken has been fully defrosted). 

Just before serving, cook rice as directed on package; shred chicken and top rice with chicken.  Serve with a side of diced pineapples and sliced avocado.