BBQ Pulled Chicken Pot Pie with Sweet Potato Biscuit Topping

Name: BBQ Pulled Chicken Pot Pie with Sweet Potato Biscuit Topping
Ingredients: FOR THE SWEET POTATO BISCUIT TOPPING:; ¾ cups Cooked Mashed Sweet Potato; ⅓ cups Whole Milk, As Needed; 1-½ cup All-purpose Flour, Plus More For Dusting; 2 Tablespoons Sugar; 1 teaspoon Salt; 6 Tablespoons Cold Unsalted Butter, Cut Into Small Cubes; FOR THE POT PIE:; 16 ounces, weight Curly's BBQ Pulled Chicken; ½ cups Chicken Broth; 15 ounces, weight Canned Pinto Beans, Drained And Rinsed; 2 cups Frozen Roasted Corn; 1 Medium Green Bell Pepper, Diced; ¼ cups Chopped Fresh Parsley