One possible scenario in Tyson and Hilary's married life could be that they continue to be involved in the Beyblade world. Tyson might be coaching young bladers while Hilary manages the business side of things. They support each other through various tournaments and share their love for the sport with their children, if they have any.
I'm not sure if there is a specific 'chris conley married family guy fanfic' out there. Fanfics are created by fans independently, and it might be quite niche. You could try searching on some popular fanfic websites like Archive of Our Own or FanFiction.net to see if it exists.
Their relationship growth could be a fascinating aspect. In the beginning, they had their differences. But in married life, they learn to appreciate each other more. Tyson starts to see the value in Hilary's meticulous planning, and Hilary comes to love Tyson's passion for Beyblade. They might also have to deal with jealousy from other characters who were once interested in either Tyson or Hilary.
A plot could involve Chris having some family connection in France that draws them there. Once married in France, they could get involved in the local community. For example, Lorelai could help with a local festival, and they both make new friends. There could also be some tension as they try to balance their American roots with their new French life.
Sorry, I'm not really familiar with specific 'chris lorelai married france' fanfiction. You could try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net.
Since I don't know the specific details of this 'A School for Scandal Tyson Chandler Story', I can't say for sure who else is involved. It could be his teammates, coaches, or people from the media.
I'm afraid I can't recommend such a fanfic. As mentioned before, while there might be one, it's not something I can point to directly. You could try reaching out to 'Family Guy' fan groups on social media and ask if anyone knows of a fanfic with this premise.