UB 6m 10NL - correct to reraise?

[Crimsonjade]

Villain is 66/11/1

Ultimate Bet

BB is at seat 0 with $13.36.
UTG is at seat 1 with $6.83.
MP is at seat 2 with $45.33.
CO is at seat 3 with $8.18.
Crimsonjade is at seat 4 with $11.04.
SB is at seat 5 with $3.60.

Crimsonjade: T[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img]


Pre-flop:

UTG folds. MP raises to $.35. CO re-raises to $.60. Crimsonjade re-raises to $2. 3 folds. CO goes all-in for $8.18.
Crimsonjade folds. CO is returned $6.18
(uncalled).

The CO reraises to less than a min raise. Is it correct to repop them both here? I give him credit for the hand. He had an at least 10 second pause before shoving and I thought KK. None of my history has him playing a premium hand, so I gave him credit here.