PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB (t6769)
UTG (t7110)
MP (t1304)
Button (t3582)
Hero (t2380)

Preflop: Hero is SB with J, Q.
3 folds, Hero completes, BB checks.

Flop: (t400) 4, T, 9 (2 players)
Hero: ???

Final Pot: t400

Should you lead into a flop w/ an open-ended straight as above? Or is check / calling a better line hoping for free cards and basing decision on odds?