You're just being results oriented. That is a must-push. Here's pokerstove data (assuming that the 88 had one live flush draw as did you as well).

1,370,754 games 0.080 secs 17,134,425 games/sec

Board:
Dead:

equity (%) win (%) tie (%)
Hand 1: 30.0512 % 29.74% 00.31% { AcKc }
Hand 2: 50.2181 % 49.91% 00.31% { KdKh }
Hand 3: 19.7306 % 19.65% 00.08% { 8h8s }