LaDainian Tomlinson reached another milestone and the Chargers got a much-needed win. Philip Rivers quieted the boo-birds and rediscovered Antonio Gates, throwing two of his three touchdown passes to the All-Pro tight end and leading San Diego to a 32-14 win over the Baltimore Ravens on Sunday. Tomlinson had a quiet day until his 36-yard run early in the third quarter pushed the reigning league MVP…