For leveling dungeons / EX roulette I just double pull. I make sure to talk to the healer first and make sure they're okay with it. I leave Grit on for the trash pulls, rotate through cooldowns. For bosses, I'll do a DAPS and PS combo in Grit with BP rolling, then switch Grit off and stay there the rest of the fight, rotating CDs and TBN. Granted, you don't have TBN right now, but BP > DAAD > Quietus > DAAD > AD spam or something similar (make sure your mana doesn't get too low) should help with self-healing and help your healer stay comfortable.

Living Dead is kinda shit. 9/10 times the healer will heal you before you get Walking Dead, and the other 1/10 you'll die anyway because you just pulled way tf too big for the healer to handle to begin with.