Combine soup, water, onion, salt and pepper in sauce pan. Mix well and bring to a boil over med. Heat. ( Microwave about 4-5 minutes on Hi). Pour 1/2 mixture in greased 1 1/2 qt casserole. Pour Minute rice from box into casserole. Combine ham and beans. Put in on top. Put remaining soup over ham. Sprinkle with grated cheese and paprika if desired. Cover and bake at 375 for 20 mins.