Nut straight, paired board, on the bubble

[Toopskees]

Poker Stars multi, top 10 places pay. 11 players left. Hero is at the 6-handed table with t7000. Average stack ~t11,000, chipleader has ~t19,000. Hero has solid table image and always showed down good hands. Villain (who has t7300) has shown erratic tendencies, making questionable plays with mediocre hands at times, betting aggressively at others. For example, he had doubled up earlier holding Q8s and catching an 8 to win.

In this key hand, blinds were 300/600. Folded to Villain who limps in on the button. SB folds, and Hero in the BB checks his JTo. The pot has t1500 in it. Flop is 998 rainbow. Hero bets t1100 with his OESD; Villain calls. Turn is a 7 with no flush possible. Hero checks his made straight, and Villain moves all-in. Hero...?