Chicken Cobb Salad Naan Flatbread Recipe

1 tablespoon olive oil 1½ teaspoons red wine vinegar 1/4 teaspoon kosher salt 1/4 teaspoon fresh ground black pepper plus additional for garnish (optional) 2 plain naan flatbread rounds (8 4/5-ounce package) 1 cup shredded Lip Lickin’ traditional rotisserie chicken 1/4 cup crumbled Gorgonzola cheese 2 refrigerated hard-cooked eggs, chopped 1/4 large avocado, peeled, pitted and chopped 1/2 cup chopped romaine lettuce 1/4 cup chopped grape tomatoes 2 tablespoons diced red onion 2 tablespoons thawed frozen roasted corn 2 tablespoons bacon ranch dressing