Dreamcatcher (ONC 2020) is a story by possiblyscoops.
When Liam Yang asks Dakota to go dreamcatching, their first answer is no, absolutely not, never in a million years, NO. Dakota is just fine with how life is going for them, and they definitely do not need the added anxiety of managing a fifteen-year-old kid with the brain capacity of a preschooler.
But things start to change when Dakota finds out there are other dreamcatchers lurking around LA. It soon becomes evident that these dreamcatchers aren't like Dakota: they're ruthless, sinister, and won't stop until every dream in the world belongs to them. Faced with a terrible choice and only a day to decide, Dakota decides to accept an offer of help from Liam himself.
But when things start to go astray, Dakota fears they might be too late.