No-Fuss Slow Cooker Chili Recipe

2 pounds ground beef

1 onion

chopped

2 (16 ounce) cans chili beans

1 (15 ounce) can tomato sauce

1 (10 ounce) can diced tomatoes with green chile peppers

1 (14.5 ounce) can peeled and diced tomatoes

11 ½ fluid ounces tomato juice

1 (4 ounce) can diced green chiles

1 (1.25 ounce) package chili seasoning mix