Pretty unhappy with this hand.

Struggling between a C/C where most turns are not good for our range and a C/R where we protect our equity and turn this hand into a semi-bluff on a well above average flop??

WPN, $5/$10 Pot Limit Omaha Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $1,435 (143.5 bb)
Hero (BB): $1,000 (100 bb)
UTG: $919.75 (92 bb)
MP: $176.50 (17.7 bb)
CO: $1,072 (107.2 bb)
BTN: $469 (46.9 bb)

Preflop: Hero is BB with 4s 3h 7d Ah
3 folds, BTN raises to $30, SB folds, Hero calls $20

Flop: ($65) 2d 3c 2s (2 players)
Hero checks, BTN bets $31, Hero ???