In a large bowl mix turkey, ranch mix, shallots, 2 tablespoons buffalo wing sauce, and garlic. Form meat mixture into 5 equal patties. Spray a large non-stick skillet, grill pan, or grill with non stick cooking spray. Cook burgers until done. Put remaining buffalo wing sauce in a shallow dish. Dip each burger in buffalo sauce. Put each burger on a bun, top with 2 tablespoon ranch or blue cheese dressing.