Buffalo Chicken Chowder

Name: Buffalo Chicken Chowder
Ingredients: 2 tablespoons butter; 1 onion, diced; 2 carrots, diced; 2 stalks celery, diced; 2 cloves garlic, chopped; 1/4 cup flour (rice flour for gluten-free); 4 cups chicken broth (or chicken stock); 1 pound cooked chicken, diced or shredded; 1/4 cup hot sauce (such as Franks Red Hot); 1 large yukon gold (or other boiling potato), peeled and cut into bite sized pieces; salt and pepper to taste; 1 cup heavy cream (or milk); 1/4 cup blue cheese, crumbled (optional)