cold call , bad moove?

turn reentry 8doll day1 . 1 hour left the end .
vilain just here since 2 rounds with 28/17/ 20(3bet)
made a cold call
and a call on flop .
Dealt to hero [Jc Ac]
*** PRE-FLOP ***
chabite26 folds
squadra67 folds
reborn80 folds
sawscisse folds
hero raises 3500 to 6000
stepii folds
lerek1 raises 12000 to 18000
benjicall folds
FLO NF.wfr folds
hero calls 12000
*** FLOP *** [Ks Jh 4s]
hero checks
lerek1 bets 101459 and is all-in
hero calls 42332 and is all-in
*** TURN *** [Ks Jh 4s][Ad]
*** RIVER *** [Ks Jh 4s Ad][Qc]

Hard to tell from your description.

The bad moove may have been calling the shove.

He didn't even try to milk you for your steak.

I do not think it was a bad move, I think you were very lucky to get a Q on the river. is my thought!