Remove any excess fat from the chicken then cut into bite sizes pieces.
Sprinkle the chicken with salt & pepper before cooking. Then lightly spray a large pot with cooking spray and cook the chicken until almost done.
Drain any liquid from the chicken. Leave the chicken in the pot & add 3 1/3 cups of water & 2 tablespoons of butter. Bring to a boil then stir in the rice mix. Reduce heat & simmer, covered, for 20 minutes.