First hand

Second hand

I'd like to post only one hand at once, but they look similar so I post two hands at once.

First hand: In a multiway pot, I do not want to slow play with set, but I think check/raise is too obvious play which makes villains recognize that I have nuts, so I donk bet. OTR, 3rd clover comes and villain donk shove AI. In microstakes, there are so many players who donk bet otr when they make draws. I think fold is fine.

Second hand: OTF, I hit the set. if villain has AA or KK, s/he may 3-bet on the preflop so I guess I have nuts. I don't know what villain's turn raise means, but it seems like he has Axcc. I thought about re-raise vs his raise but I decided to just call, because if he has FD, he may fold vs my reraise but there is possibility that he still would bluff on the river even he misses his draw. Unfortunately, 3rd clover comes otr and he pot bet and I fold.

I'd like to share your opinions. Do you guys think about call otr of both hands?