Spoon about 1/2 cup chicken mixture evenly in bottom of sprayed baking dish. Top with 3 cooked noodles. Drop about half of the ricotta mixture by small spoonfuls over noodles. Sprinkle with 1/2 cup of the mozzarella cheese. Layer with 3 noodles, 2 cups chicken mixture, 3 noodles, remaining ricotta mixture, 1/2 cup mozzarella cheese, remaining chicken mixture and remaining 1 cup cheese.