Lead this flopped medium FD on paired board against big field?

[Christian_Peters]

PokerStars 1/2 Hold'em (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Preflop: Hero is SB with 9, 4.
UTG calls, 1 fold</font>, UTG+2 calls, MP1 calls, MP2 calls, 2 folds</font>, Button calls, Hero completes, BB checks.

Flop: (7 SB) 8, K, 8 (7 players)</font>

Hero...


Is this a trivially easy lead? or am I dumb?