I say put money in the pot. It continues the appearance that you mean business and I don't think you should allow for a free round. Seats 5 and 7 had to brick. Seat 8 is a bit of a mystery. I would suspect a flush draw much less than I had at 4th. Maybe he's got you beat with 2 pair but he's scared of AA88. Maybe he's only got a pair of 2's. You'll soon find out.
If seat 8 calls, I'm then really hoping for 8 or A though I think J would probably be sufficient.

If you end up winning the pot, great. If you don't, consider the impression you will have created with your aggressive play.