cheers

remember there are a lot of Kx type hands in his range given he's opening CO and apparently not folding after that. It doesn't necessarily have to be bet-bet-shove; if you vary up your bet sizing frequently, pot + pot shove is perfectly reasonable with stacks (but if you never make a pot sized bet, now probably isn't the time to start), or you could throw in the occasional c/r or even c/c from time to time.