Cheesy Sriracha Chicken Potato Skins

Ingredients

• 6 to 8 small to medium Idaho potatoes, washed and dried
• 2 tablespoons butter
• 1 tablespoon minced garlic
• 2 tablespoons all-purpose flour
• 1 1/2 cups whole or 2 percent milk
• 2 cups (8 ounces) shredded Roth Organic Sharp Cheddar cheese
• 1/8 to 1/4 teaspoon horseradish (optional)
• Salt
• pepper
• 1 tablespoon melted butter
• 1 cup chopped cooked chicken
• Sriracha hot sauce
• Diced scallions, for garnish