By NATE BEIER | Special to the County Line The Royall volleyball team finished 2–3 at the Holmen tournament Saturday, defeating Luther 2–0 before dispatching Cochrane-Fountain City 2–0. But the Panthers failed to upend a much-improved Onalaska team, losing 2–0 before falling 0–2 to both Westby and Richland Center. On Sept. 8 the Panthers traveled…