You can definitely use forscan for some things on the '25s, but certain things that worked on prior years no longer work (ex. disable auto stop/start).
I forgot what psi I used last time, but I think it was ~80psi at the nozzle. Temp makes a big difference in the consistency. It's much easier to spray at 75 degrees than it is at 35 degrees.
From my experience, it would be very difficult for these products to completely plug the drain holes. If thats a concern though, you could always use something like an old metal coat hanger to ensure that all of the drain points are free from obstruction.
I recently lost one of these as well. After some extensive searching, I found Jeep part # 6036311AA, which I believe to be an exact replacement.
https://www.amazon.com/Jeep-Wrangler-Screws-Bracket-Frame/dp/B0175Y9CSO?gQT=2
For what its worth, I have the 5.0 in my '23 F150 and it is likely the favorite engine Ive ever owned. Given that a mid level F150 weighs significantly more than a 4 door Bronco, I'm certain that it would be a blast in the Bronco platform.
I know this may sound crazy, but have her put a traffic cone in the front of the bay when she pulls out. That will make her get out to move it when she gets back home and (hopefully) check to ensure the top is closed at that time as well.