UB low buy-in: UTG+1 JJ re-raised...

UB low buy-in MTT
The table has been tight to very tight for almost 1 hour. My stack is above average.
Villain joined the table 10 hands ago and folded the first 6. In the seventh he was BB and called a minbet from UTG+1 (only caller). UTG+1 led out with a pot-sized bet, Villain min-re-raised and folded to the all-in. 2 folds from villain afterwards. No other information/reads.
Then this hand came:

Blinds are 200/400 with 50 Ante (pot 950)

random is at seat 1 with 12675.
random is at seat 2 with 8085.
random is at seat 4 with 19675.
random is at seat 6 with 2945.
HERO is at seat 7 with 10285.
VILLAIN is at seat 8 with 8110.
random is at seat 9 with 10565.
The button is at seat 0.

HERO: Jc Js

Pre-flop:

1 fold, HERO raises to 1800, <font color="red">VILLAIN re-raises to 4000</font>, 4 folds, HERO???

What do you recommend? I was really surprised (first preflop re-raise for almost 2 1/2 hours) and did not know what to do...