Continue here or run?

[PoorLawyer]

----- 3rd STREET -----
Bring in x x 2s
Folder 1 x x 7d
Raiser x x Ks
Caller 1 x x Ah
Hero 9h 7c 8h
Folder 2 x x 6d
Player 2 x x 4d
Caller 2 x x 7s

Raiser completes two after the bring in and I call, partly because I know that a few others will come along. On 3rd we have the completion, a caller, then Hero calls as well as 3 others, including the bring in. 3BB in the pot and 6 Handed to 4th…..

----- 4th STREET -----

Bring in x x 2s 8d
Raiser x x Ks Kd
Caller 1 x x Ah Kc
Hero 9h 7c 8h 10s
Player 2 x x 4d 5c
Caller 2 x x 7s 2d

Raiser double bets, caller 1 folds, Hero??

I am fairly certain that either the bring in or player 2 are going to stay in since I haven’t seen them fold a hand they have entered yet, even calling a river bet and not being able to beat a pair of 9’s.

My reasoning is that I have good equity if Raiser has a hidden pair and am behind if he has trip Ks. The dead king coming out leans it a little toward calling, especially since I think there will be 1 or 2 others calling after me, but I still don’t know if there is enough to continue….