good rereaise or no?

Full rings 10 max $2/ $4 mostly semi loose players some loose.

I am second to act and I call with KQo its folded to the small blind who completes and the bb checks.

** Dealing Flop ** [ 5s, 9d, Qh ]
Zande21 bets [$2].
santa15 folds.
ME raises [$4].
cruff25 folds.
Zande21 calls [$2].
** Dealing Turn ** [ Ks ]
Zande21 bets [$4].
ME raises [$8].
Zande21 calls [$4].
** Dealing River ** [ 4s ]
Zande21 checks.
ME bets [$4].
Zande21 calls [$4].
** Summary **
ME shows [ Kc Qd ].
Zande21 shows [ Qs Ac ].

Was it wrong for me to reraise on the flop?
My thinking was AQ would have been raised preflop and he wouldnt have two pair on a odd flop like that.

The other guy (Zande21) right now is 19% VPIP with a preflop raise of 5% (after 100 hands he is tight passive passive in poker tracker)


Any input is apprecited since im just starting to really learn..