Combine all ingredients except for 1 cup of the cheddar cheese. Place in the crockpot.
Cook on low for 3-4 hours, stirring every 30 minutes or on high for 1-2 hours, stirring every 30 minutes.
Sprinkle the remaining cup of cheddar cheese over the dip once it's done cooking, cover, and allow the cheese to melt - about 5 minutes.