Stop that. Daines is staying.
I just found this article posted 6 minutes ago, and it's the only article I can find saying Daines will vote.
https://helenair.com/news/government-and-politics/montana-sen-steve-daines-will-use-private-jet-to-make/article_6650dda2-dc68-539f-99c2-18b7632905b4.html