Good hands from the blinds?

[JKDStudent]

Protecting overcards, got it. Knowing what hands play well multi, got it. But here's my problem: When I have a good hand in the blinds, let's say AQs, AK, JJ, or TT, what do I do if there are a few limpers? A raise isn't going to chase people out, so I lose that benefit. If there are already three or four limpers, there's a very good chance that if overcards come to my JJ or TT, I no longer have the best hand and am relying on making a set. Is a raise worth it? AQs, I've got the high cards as well as the nut flush possibility. And AK, I've got overcards, but a raise isn't going to kick anyone out preflop that's already put money in.

I know that I should complete/check at least occassionally to disguise the strength of my hand, but what's the standard play and why?