What do you do?

[Doc T River]

You are playing a tournament at a table of eight people and are the big blind (blinds are 200/400) with 2400 left (after posting the big blind) from a starting stack of 3600.

Everyone limps in so there is now 3200 in the pot and it is your turn to act. You look at your cards and you have pocket 6s.

What do you do?

The above is the exact situation I found myself in and I am trying to see if I played it the correct way. After this post has been up for a while (say three days), I will come back, tell what I did, give it some more time for responses to my actions, and then reveal the final result of the hand.

Thanks in advance for any responses.