While I like the idea of maximizing your fold equity I dont think you are in good enough shape to try this play here. Since the pot is HU if you check behind and he catches good and you catch bad you are suddenly in a coinflip situation. I think you just have to jam it here because he really isnt in good enough shape that he should be chasing to try and knock you out. If he loses here he is suddenly tied for last place assuming you scoop so hopefully he would have enuogh common sense to fold.