Chicken, Bean, and Kale Chili

INGREDIENTS:
4 Chicken breasts
2 Cans of white beans, drained and rinsed (I usually use great northern but I only have pinto beans today)
1 c. Frozon corn
2 c. Kale
1 1/2 tsp. Chili powder
1 tsp. Cumin
1/2 tsp. Garlic salt
1/2 tsp. Onion flakes
2 c. Low sodium chicken broth
1 c. Milk
1/2 c. Plain greek yogurt
INSTRUCTIONS:
Place all ingredients in a crockpot and cook for 6 hours. When chicken is cooked thoroughly, shred it and cook allow everything to cook for 1 more hour. Top with diced avocado.