Spoiler Alert: If you haven’t seen the initial post, please go here: Playing Two Pair vs River Aggression then come back for the results!
Here is the complete hand with results. Please comment with your thoughts!

We know Villain is a regular TAGG who was recently stacked when his KK ran up against KQ and his opp hit his 4 outer for a river straight. In the comments, let us know:

What do you think Villain’s likely holding is at the river?
What should Hero do knowing this?
How would you have played differently?

Spoiler Alert: If you haven’t seen the initial post, please go here: Battle of the Big Stack Regulars then come back for the results!
Here is the initial post with results:
1-2 no limit, live cash game.  Villain is well known to me; he’s a very good aggressive player with a large preflop playing range…any suited ace, connector, big cards type.  We each have a lot of respect for the other and generally avoid being in a hand together.  Both players are cautious around the other cuz the styles are similar, and …

This Hand History was sent in via email. What are your thoughts on the action:
1-2 no limit, live cash game.  Villain is well known to me; he’s a very good aggressive player with a large preflop playing range…any suited ace, connector, big cards type.  We each have a lot of respect for the other and generally avoid being in a hand together.  Both players are cautious around the other cuz the styles are similar, and both are the table big stacks, about 400-500 each 1 hour into a new table …

Here are the results of the Hand Analysis of: Big Slick Faces River Shove.
Somewhat anti-climatic as we will never know what Villain held. But that shouldn’t deter our thought process. We need to make the right decisions with the information at hand, not based upon the results! Thanks for all the comments!