HEAT oven to 375°F.
COMBINE rice and water; spoon onto centers of 4 large sheets heavy-duty foil. Top evenly with half the fish; cover with spinach, cream cheese spread and remaining fish. Drizzle with dressing.
FOLD foil to make 4 packets; place on rimmed baking sheet.
BAKE 15 min. Cut slits in foil to release steam before opening packets.