1Empty contents of pasta pouch (from salad mix) into 3-quart saucepan 2/3 full of boiling water. Gently boil uncovered 12 minutes, stirring occasionally and adding broccoli during last 2 minutes of cooking.
2Meanwhile, in large bowl, stir contents of seasoning mix packet (from salad mix), the dressing and cold water until blended; set aside.
3Drain pasta with broccoli; rinse with cold water. Shake to drain well. Stir pasta with broccoli, chicken and tomatoes into dressing mixture. Serve immediately, or refrigerate until serving.