SPRAY large skillet with cooking spray. Add chicken; cook and stir on medium-high heat 4 min. or until no longer pink.

STIR in water. Bring to boil. Add pasta; cook 8 to 10 min. or until chicken is cooked through and pasta is tender.

ADD broccoli, Velveeta and basil; stir. Cook 5 min. or until Velveeta is completely melted and mixture is well blended, stirring frequently. Stir in the tomatoes.