By Al Tustin, Staff Writer, The Times ASTON — One step at a time. Using a workman-like effort, Unionville returned to its run-game roots, thoroughly dominating Sun Valley, 42-14, Friday night to come within one win of locking up its third straight Ches Mont American Division title. If West Chester Rustin beats Great Valley Saturday … Continue reading Unionville dominates Sun Valley, one win from 3rd straight league title