Cook pasta as directed on package, adding broccoli to the boiling water the last 2 minutes
Heat dressing in large nonstick skillet on medium-high heat. Add chicken; cook 5 minutes or until done, stirring occasionally. Stir in remaining ingredients. Bring to boil, stirring constantly; cook 1 to 2 minutes or until sauce is well blended and heated through.
Drain pasta mixture; place in large bowl. Add chicken mixture; mix lightly.