Remove the rng from Meatless Murderer
Idk what class you are but I found doing knockbacks on dog (Overcharged shot for me) helped a lot in getting the meat first. Maybe you can try doing knockbacks too before he gets it
Doing it as a guardian (so no access to cripple and chill only from a hammer) I combined power signet (ranged knockdown active,) hammer of wisdom (knockdown command,) and a shout for swiftness which lets me beat the dog rather consistently unless the meat is thrown right on top of it or if he throws two in rapid succession in different directions. Since he does those two things randomly I saw fit to mention it.
Yeah, I kind of wish the dog at least wasn’t immune to immobilize. As an Engie I’m having great difficulty, especially if Norn Scumbag decides to just flat out give him the meat.