Vulnerable against not, you deal and pass with:
654
865
KJ4
K765.
RHO doubles partner's third-seat weak 2 bid. You could raise to 3, but with this flat ugly hand, vulnerable, you reasonably elect to pass. LHO's 4 buys it and partner leads the Q as shown:
Declarer wins the A and plays the J as shown below:
Your plan?
Let the J win.
K, 7
K, K.
K, 4.
K, trump.
K spade.