Live 75/150 bottom two

[vmacosta]

If you have a weak/tight image and up against a tricky lag you probably wanna showdown so you need somewhere between 50 and 67% equity in order to raise/call the river.

Most of DD's range is Q6, Q4, and 64 (expecting T6 to bet/call the river is ridiculous). However, due to him going 4 bets on the turn, we have to assume he can show up with QT, 66, and 44 at least some of the time.

Stoving AA vs. {Q6,Q4,64} gives AA 43% equity.
AA vs. {QT,Q6,Q4,66,44,64} gives AA 53%

Your equity is between 43% and 53%--definitely not enough equity to raise/call the river here (DD's 3-betting range surely includes 44 and lots of people are saying to include the other fullhouses).

This guy isn't correct to raise the river with AA/KK and he's on the passive side to begin with, so it is highly unlikely 3-betting 64 is good.