Effective Stack is around 12k.

Hero raises to $150 with Ts 7s. Villain calls.

Flop: 7h 6s 9d.
Villain checks, Hero bets $150, Villain x/r to $777. Hero Calls.

Turn: Jd.
Villain bets $1390.50. Hero calls.

River: Qs
Villain jams for roughly 2x pot.

My thoughts:
I think my flop is definitely mixed with my exact hand/sizing but the higher frequency play should be betting as it gains the most EV as a protection/value bet. Facing a x/r, I think it's a straightforward call with bdfd and the gutshot, while also blocking two pairs/sets and the nuts.

Turn is slightly closer in my opinion, but T7 should definitely make the MDF. River, we need to defend about 1/3 of the combos that arrive here. For obvious reasons, this is a situation where defending the linear top 33% of my range should be quite wrong. I elected to fold T7, but i think it's still quite close. Unblocking villains most likely 8x bluff combos while also blocking T8 should be super important. I canfold a lot of Ax, Kxx pairs that arrive here like A9 fo example. I canalso fold my own 8x or 8xpairs that arrive here as well. Further, I can fold hands like KTdd, ATdd that floats the flop x/r. AA and KK probably are also clear folds on this river. I decided thatI can call all my 8T, sets (I should have all of them), 9T, JT, and some two pairs. How does this sound?

Also some relevant banter during the handa fter the shove:

H: I wish I had 9T.
H: So i can snap this off.
H: lol
V: Well T8 you can snap too.
H: well yeah