Preheat air fryer to 400°. On a lightly floured surface, unroll pizza crust dough and pat into a 12-in. square. Cut into 4 squares. Layer 1 slice cheese and a fourth of the sauerkraut and corned beef diagonally over half of each square to within 1/2 in. of edges. Fold 1 corner over filling to the opposite corner, forming a triangle; press edges with a fork to seal. Place 2 calzones in a single layer on greased tray in air-fryer basket. , Cook until golden brown, 8-12 minutes, flipping halfway through cooking. Serve with salad dressing.