easy taco soup

Ingredients

• 1 pound hamburger
• 1/4 cup onion chopped
• 1/2-1 package taco seasoning mix
• 1/4 cup ketchup
• 1 can red beans (undrained) or pinto beans
• 1 can kidney beans, canned (undrained)
• 2 cans stewed tomatoes ( i like the fire roasted ones personally but sometimes they aren't always available so i normally use whatever seasoned one sounds good a the moment or i have on hand)
• 1 can corn canned undrained ( i personally don't care for corn in it so its optional)
• 1 tablespoon sugar
• 1 dash salt and pepper