1 large bag Multi-colored pasta 4 Chicken breasts, boiled and shredded 3/4 lb Mozarrella Cheese, shredded 1/2 bunch Broccoli florets 3/4 cup Red Onion, chopped 1 bottle Zesty Italian Salad Dressing   Boil chicken and cool. Shred chicken. Boil pasta according to package directions; drain and cool. Add cooled and shredded chicken. Add cheese, broccoli, onion, and Italian dressing. Toss until dressing is mixed in well. Chill and serve.