Hot refried bean dip

2 Large 28 oz cans refried beans
2 lb ground hamburger (cooked)
2 cans tomato paste (6 oz)
Three different cheeses (8 oz each) (eg. sharp cheddar, Swiss, mozzarella)
1 packet of chili seasoning
Small onion (cooked with hamburger)

Directions:

Brown the hamburger. Sauté onion with hamburger. Put ingredients in the crock pot and let cook until all the ingredients mix together and are ready to serve. Serve with chips.