For a richer flavor, use homemade chicken broth. Adjust the amount of buffalo wing sauce to control the level of spiciness. For a smoother consistency, use an immersion blender to partially blend the soup before adding the chicken. If you don't have half-and-half, you can substitute with a mixture of milk and heavy cream (about 2/3 cup milk and 1/3 cup heavy cream). Serve with crusty bread or grilled cheese sandwiches for a complete meal.