Chicken Wild Rice Soup

1 cup uncooked wild rice
1 cup uncooked rice
6 cups diced, cooked chicken breast meat
4 Tablespoons chicken bouillon granules
1 large onion, chopped
10 cups water
8 potatoes, peeled, cubed
3 cups milk
1/4 c. flour
In a large saucepan over medium to high heat bring rice, chicken bouilllon onion and water to boil. Remove from heat and pour into slow cooker. Stir in potatoes. Combine milk and flour until smooth. Place chicken, mushrooms, potatoes, onions, carrots and peas in a slow cooker. Pour into mixture. Cook on low for 6 hours. Serves 8.