I seriously need to know how should I play Xin Zhao

So I think this champion is fun, a lot of times I just play him for that alone.

But recently I have been questioning how useful he is. I literally can't do much with him. Yes, he is a strong duelist, he has good engage, decent CC.

Sometimes when I play him in jungle I get camped, can't escape because he has no escape and end up falling behind.

The matches where I do well I feel useless in team fights. Just yesterday I built: Warrior-Tabi-Triforce-BC-Titanic Hydra-Spirit Visage.

4k HP and some MR and the opponent Brand was destroying me with a single combo of spell. Also their AP KogMaw was 1 vs 1 ing me.

So how should I build him and how should I play him in teamfights?