Easy Taco Soup

Brown 2 lbs. hamburger with salt, pepper, and onion. Drain the hamburger and combine in a crock pot.
1 (16oz) can pinto beans undrained
1 (15 oz) can chili, without beans
1 (10 oz) can mild Rotel tomatoes
1 (15 oz) can diced tomatoes
1 lb. Cubed Velveeta Cheese
16 oz sour cream
1 pkg of dry ranch dressing mix (my secret ingredient don't tell)

Simmer and serve with corn chips.