HEAT oil in large nonstick skillet on medium-high heat. Add chicken; cook 7 min. or until evenly browned, stirring occasionally.
ADD milk and cream cheese spread; mix well. Bring to boil. Stir in pasta; cover. Reduce heat to medium-low.
COOK 10 min. or until pasta is tender and chicken is cooked through. Add vegetables; cook 5 min. or until heated through. Sprinkle with the cheese.