As noted, more information would probably help get more specific responses since various factors are not laid out that could affect the ultimately affect the action to take. So I can only offer a relatively general reply, which is that I would fold more often than call. With TT, I expect to be either slightly ahead of overcards or well behind to an overpair most of the time. That's not the greatest scenario to risk all my chips when folding will leave me with enough to cover several rounds of blinds.
As for the suggestion that having put 1000 of your 8000 in makes you almost pot committed, that's an opinion I'm not even close to sharing.