Hi, shokaku!

You still have 50BB, so there is no need to do crazy things.   How is the payout structure? How big is your stack compared to the average stack?   And if you want to play a hand, don't just call,...
Wat zou jij doen? Pokerhand van de week.

Fold. You have just one pair in a multiway pot and a board that allows both a straight (unlikely) and a flush. As opponent plays it, there is a good chance he has the flush.
Wat zou jij doen? Pokerhand van de week.

This is clearly an advice for blackjack, not for poker.
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