If Tim Miller is a relatively unknown individual in the public eye, then there might not be a widely known story about his daughter. Maybe he is just an ordinary person, and his family stories are private and known only to those close to him.
There are so many possible scenarios for Tim Miller and his daughter. Maybe she overcame some difficulties with the support of her father, or maybe she is following in his footsteps in a particular area. But until we know more about this Tim Miller, we can't tell the story.
Yes, there are some out there. You can try searching on fanfiction websites. Some might focus on her relationship with her mother, or perhaps create fictional adventures for her.
For the most part, there isn't. The story typically refers to her as the miller's daughter. This naming convention serves the purpose of the story well. It quickly establishes her background and her relationship to the other characters, like her father the miller and the king. The story is more about the strange encounter with Rumpelstiltskin and the moral lessons it imparts rather than giving the girl a more unique name. So, no, there's not really another name for her in the main versions of the story.
In Abby Lee Miller daughter fanfic, one can anticipate different perspectives. For instance, some fanfics may be set in the world of dance competitions, similar to what Abby Lee Miller is known for, but from the daughter's point of view. It could explore her feelings of pressure or pride in being part of that world. Other fanfics might take a more emotional route, delving into how the family dynamics, especially with a mother like Abby Lee Miller, affect the daughter's mental health and self - identity. And then there are those that might be more fictionalized, creating a completely different world for the daughter to exist in, with elements of magic or adventure, while still having her connection to Abby Lee Miller as a base for the story.
If Brandon Miller is an athlete, perhaps he started his sports journey at a young age. He might have been inspired by a professional athlete he saw on TV or in person. He then joined local teams and began training intensively. Along the way, he faced tough opponents and had to deal with injuries. But he didn't give up. He kept working on his skills, improving his physical condition. Eventually, he might have made it to a big league or achieved some significant awards in his sport.