Skinny BBQ Pulled Pork Mac and Cheese with Caramelized Onions

Name: Skinny BBQ Pulled Pork Mac and Cheese with Caramelized Onions
Ingredients: FOR THE CARAMELIZED ONIONS:; ½ Tablespoons Butter; 1 Small Onion, Thinly Sliced; FOR THE MACARONI AND CHEESE:; 4 ounces, weight Whole Wheat Macaroni Noodles; ¼ cups Milk (I Used 1%); ¼ cups Fat-free Half-and-half; ⅛ teaspoons Smoked Paprika; ¼ teaspoons Salt, Or To Taste; ¼ teaspoons Pepper Or To Taste; ¼ teaspoons Garlic Powder; ¼ teaspoons Hickory Liquid Smoke; 1 cup (Packed) Reduced-fat Cheddar Cheese, Grated And Divided; ¼ cups Plus 1 Tablespoon Low-sugar BBQ Sauce (I Used KRAFT Light BBQ Sauce); ¼ cups Cilantro, Roughly Chopped; ¾ cups Leftover Pulled Pork