COOK pasta as directed on package, adding broccoli to the cooking water for the last 2 min. of the pasta cooking time; drain and rinse with cold water.
TOSS chicken, tomatoes, carrots, dressing, cheddar cheese and olives in large bowl. Add pasta mixture; mix lightly.
SPRINKLE with Shredded Italian cheese.
If not serving immediately, store in refrigerator. Enjoy this easy meal on a warm summer night!