Real talk here, niggas, real talk:
Chris is definitely going to end up in someone's care. Group home, family friend, family (Unlikely. VERY VERY unlikely), or maybe even one of his Facebook friends will take pity on him and invite him to stay with them before trying to get him into a group home. As for his reaction, he'd call 911, but given his track record (Shoving sharp shards up his ass, macing people, and making bathroom coffee, to name a few), it's unlikely he'd call them first. And for sure, he'd make a Facebook post about how he's scared, cold, and alone in such a big, big house. Will Chris commit suicide? Maybe. We've never really seen him suicidal, nor at the brink, but then again he never really talked about being suicidal, so he could probably be keeping those feelings bottled up. I won't lie, this'll be a scary, yet interesting moment for Chris's life. It's territory we've only theorized about, going based only on what happened when Bob died. When Bob died, though, Chris had people to turn to, and Bard. But now? We're not entirely sure.