Juno.
A sled/team dog on Steele's team. I named him after Juneau where the medicine is shipped from. He is the dog behind Kaltarg (Steele, Star, Nikki, Kaltarg and three others). Juno is the one who says that the musher is hurt. The only one of the three to have a line in the movie.

https://en.wikipedia.org/wiki/Mushing (scroll to dog team members).
Dog team members are given titles according to their position in the team relative to the sled. These include leaders or lead dogs, swing dogs, team dogs, and wheelers or wheel dogs.
Lead dogs steer the rest of the team and set the pace.

Swing dogs or point dog/dogs are directly behind the leader They swing the rest of the team behind them in turns or curves on the trail. Some mushers use the term swag dog to denote a team dog. So Star is swag XD.

Team dogs are those between the wheelers and the swing dogs, and add power to the team. A small team may not have dogs in this position. Alternatively, the term may be used to describe any dog in a dog team. (They are also called sleddogs – (Jack London Call of the Wild) but the term include all dogs on a team)
Wheel dogs are those nearest the sled and musher, and a good wheeler must have a relatively calm temperament so as not to be startled by the sled moving just behind it. Strength, steadiness, and ability to help guide the sled around tight curves are qualities valued in "wheelers."

As a tribute to my favorite movie of the event I will upload (as far as it is possible) something Balto-related each day of 2025. Here the gallery starts so you can see them all: https://www.deviantart.com/emberwol.....years-of-balto
“Dedicated to the indomitable spirit of the sled dogs that relayed antitoxin six hundred miles over rough ice, across treacherous waters, through Arctic blizzards from Nenana to the relief of stricken Nome in the winter of 1925.”
Read about the serum run here: https://en.wikipedia.org/wiki/1925_.....um_run_to_Nome