Lightly sprinkle work surface with 1 tablespoon of the flour. Unroll 1 can of dough on floured surface with 1 short side facing you. Press dough into 14x12-inch rectangle. With paring knife, lightly score the dough in half horizontally. Lightly score bottom half of dough into 12 squares (3x2 1/4-inch each). Spoon heaping tablespoon of the pumpkin filling onto center of each square. Gently lift and position unscored half of dough over filling. Starting at the top folded edge, press handle of wooden spoon firmly between mounds and along edges of pumpkin filling to seal. Using toothpick, poke small hole in top of each ravioli. Using a pizza cutter or sharp knife, cut between each ravioli; place 1 inch apart on cookie sheets. Repeat with remaining 1 tablespoon flour, dough sheet and filling. Brush ravioli with remaining 2 tablespoons melted butter.