1. Peel mango. Cut fruit away from pit; cut fruit into cubes. Combine lime juice, soy sauce and pepper sauce in small bowl. Slice chicken breasts crosswise into thin strips.
2. Spray large nonstick skillet with cooking spray; heat over high heat. Add chicken; stir-fry 4 minutes or until chicken is no longer pink in center. Add ginger and garlic; stir-fry 1 minute. Add lime mixture and bell pepper; stir-fry, scraping cooked bits from bottom of skillet. Add mango; stir-fry 1 to 2 minutes more, until heated through. Stir in onions. Serve over hot rice.