Root Beer Baked Beans

Name: Root Beer Baked Beans
Ingredients: 2 cans Pinto beans, rinsed and drained; 2 cans Red kidney beans, rinsed and drained; 2 cans Great Northern beans, rinsed and drained; 3 cups Root beer, divided; 1 ½ cup Ham hock; 8 oz. Peppered bacon, sliced thick, rendered and fat set aside.; 1 large Yellow onion, chopped large; 1 tbsp. Garlic, minced; 1 tbsp. Chili powder; 1 tbsp. Cumin; ½ cup Classic BBQ sauce; ¼ cup Brown mustard sauce; ½ cup Brown sugar; 1 tbsp. Worcestershire; Liquid smoke, to taste; Water, as needed; Salt and fresh ground pepper, to taste