Runnin’ Rebels’ Dawsyn Peterson pitches during the second game of a doubleheader between Post 4 and the Post 56 Knights Tuesday night at Halliwell Park in Pocatello. | Kyle Riley, EastIdahoSports.com POCATELLO – The Post 56 Knights ran their win streak to three games with a win in Tuesday’s doubleheader opener at the Post 4 Runnin’ Rebels, but that was ended as the Rebels took the second game. Post 56 Knights 9, Post 4 Runnin’ Rebels 6 The Knigh…