pet on aggressive and toggle off firebolt autocast when you get sapped. (/pettoggleautocast firebolt)
if affli fear the rogue. apply dots from 40yd range in order: UA -> corruption -> agony. run away from the rogue, apply weakness when its in 40yd range with sprint, spam drain life/searing pain when its in shs range.
if destro fear the rogue. immolate from 40yd range (breaks fear) apply other dots and weakness while running away. conflag when rogue shadowsteps, pray for daze proc (forgot what its called). when rogue gets in range spam searing pain/drain life.
if rogue trinkets spam /sit so all attacks against you will be critical strikes so you die, ress at GY and (hopefully) get back in the game faster.