In medium bowl, stir Bisquick mix, milk, 1/3 cup granulated sugar, 3 tablespoons softened butter, the vanilla and egg until soft dough forms. Shape dough into 1-inch balls; roll in cinnamon-sugar. Place dough randomly in pan. Sprinkle with any remaining cinnamon-sugar. Drizzle 2 tablespoons melted butter over dough balls.