In 2-quart (8 x 8) baking dish, combine uncooked rice, onion, salt, parsley, thyme, lemon juice and water; mix well.
Arrange fillets on mixture.
Dot with butter; sprinkle with paprika.
Cook covered with wax paper or plastic wrap, 10 minutes or until fish flakes easily.
Let stand, covered, 2 minutes to finish cooking.