There are already a few different Western Balto fanfics out there, and I suggest that you read them for some inspiration, along with finding ways to differentiate your story from those that have come before.
The Examples:
"The Trio":
http://www.animationsource.org/balto/en ... 52283.html"Sawyer's Falls":
http://www.animationsource.org/balto/en ... 50681.html"Seven Spanish Angels":
http://www.fanfictionnow.com/story.php?no=1359I hope that looking at these will help start the creative juices flowing, and I'll share an idea that I've always had about Western Fics. What if there was one that had Balto as the sheriff instead of an outlaw?