Preheat oven to 400 degrees. Spray 9 X 13 pan with cooking spray.
Remove skin from rotisserie chicken. Pull off meat from bones and chop into bite size pieces.
In a large bowl mix together soups, salt, pepper, onion powder, milk, water. Add in chicken, rice, and cheese and mix until well combined.
Pour into baking dish.
Top with panko crumbs and drizzle with butter. (You may also combine the melted butter and crumbs and them sprinkle on top of casserole.
Bake uncovered for 35 to 40 minutes, until bubbly and golden brown.
