Spray a 6-quart crock pot with cooking spray.
Use cooking spray, in a medium skillet, and saute the onions until they start to become soft, about 6 - 8 minutes.
Layer onions, potatoes, hamburger meat, rice, celery, carrots and kidney beans.
In a separate bowl, mix soup, water and salt and pepper, as desired.
Pour over vegetable and meat mixture.
Cover and cook, on low, for for 4 – 5 hours.