Preheat oven to 350°F.
In an 8x11 baking dish, whisk together the minute rice, water, milk, and cream of celery soup.
Stir in the packet of chicken gravy mix until well combined.
Lay the chicken tenders over the rice mixture.
Sprinkle the onion soup mix over the top.
Cover the dish tightly with foil.
Bake for about 1 hour, or until the chicken is cooked through and the rice is tender.
