A police dog that served for six years with the Douglas County Sheriff’s Office and the Douglas Interagency Narcotics Team died Wednesday from kidney failure. Winston, a 7-year-old yellow Labrador retriever, specialized in drug detection and earned the respect of police agencies throughout Douglas County and Oregon, sheriff’s Sgt. Kelley Bean said. “He was a ball of energy and was like a goofy kid. But he was very serious about his work,” said Bean, his handler for more than four years. “He found some very sophisticated hidden compartments in vehicles.” In 2008, Winston and Bean were called by the Oregon …