1. Bring water to boil in large pot; add shrimp and return to boil.
2. Reduce heat and simmer 3-5 minutes.
3. Drain shrimp well and rinse with cold water. Cool shrimp; peel and devein.
4. Combine shrimp, rice, beans, olives and onions; toss well.
5. Combine salad dressing with seasonings; mix well.
6. Pour over rice mix and chill.
7. Serve over salad greens.