HEAT oil in large skillet on medium-high heat. Add chicken and onions; cook and stir 5 min. Add paprika; cook and stir 1 min.
STIR in water, broccoli and Macaroni; bring to boil. Reduce heat to medium-low; cover. Simmer 10 min. or until macaroni is tender and chicken is cooked through, stirring occasionally.
ADD Cheese Sauce Mix and sour cream; stir until well blended. Cook 2 min. or until heated through, stirring occasionally.