Best Ever Blueberry Cobbler

Preheat oven to 375 degrees. In 8-inch square baking dish, mix blueberries, 3 Tbsp. sugar and orange juice. Set aside. In small bowl, thoroughly mix flour, baking powder and salt. Set aside. In a medium bowl, cream butter and 1/2 cup sugar until light and fluffy. Beat in egg and vanilla extract. Gradually add flour mixture, stirring just until ingredients are combined. Drop batter by rounded tablespoons over blueberry mixture. Try to cover as much of filling as possible. Bake for 35 to 40 minutes, until top is golden brown and filling is bubbly.