Given that you checkraised the flop for elimination the good Tag will already put you on a one pair type hand or a flush draw or a straight draw or maybe total air since you know this is a board that will likely miss everybody.

So youve already done your job of disguising your hand just by the way you played the flop and it shows by the extra action youve already induced your tag opponent to dish out.

Now you need to cap right away on the flop and lead the turn. This line is better than calling the flop 3 bet and betting the turn becuz the villain may get suspicious and just call down.

The cap flop lead turn line is also better than calling the 3bet and checkraising the turn becuz the former line will induce the villain to draw dead more often.

To show you what I mean, I'll give you an example. Lets say the villain has JJ, and you call the flop 3 bet and the turn is an Ace or even a King. Now when you checkraise here, the villain may fold, but if you capped the flop and lead the turn, the villain is now much more likely to call down no matter what hits the turn or river.