Cook rice according to package directions. Slice fish into 1-inch strips; sprinkle with salt and pepper. Set aside.
In large mixing bowl, combine soup, sour cream, milk, thyme, salt and pepper. Stir in cheese, broccoli, rice, fish and ½ of the French fried onions. Pour mixture into a greased 13x9-inch baking dish.
Bake in a preheated 350°F oven 30 minutes or until fish flakes easily with a fork.
Sprinkle remaining French fried onions over the top and continue baking 5 minutes.