1. Place beans, onion and oil in 2-quart casserole. Cover tightly and microwave on high (100%) 2 minutes; stir. Cover and microwave until hot, 2 minutes longer.
2. Stir in beef, gravy, water and chilies. Cover tightly and microwave on high (100%) 5 minutes; stir. Cover and microwave until hot and bubbly, 5 to 7 minutes longer; stir.
3. Prepare Olive Drop Biscuits; drop dough by 12 tablespoonfuls around edge of dish. Sprinkle with paprika. Microwave uncovered on high (100%) 3 minutes; rotate casserole 1/2 turn. Microwave until biscuits are no longer doughy, 2 to 4 minutes longer. Cover loosely; let stand 5 minutes. (Biscuits will continue to cook while they stand.)