Need help with pets

[Dragonfire]

A friend gave me a horse and I tamed it. It's roaming around outside my house rn, what will happen when I'm offline and no one is close to the house? Will it despawn? Wander around and fall down a cliff? Help!
Also looking to trade the horse for a doggo

 

[neverunit]

A friend gave me a horse and I tamed it. It's roaming around outside my house rn, what will happen when I'm offline and no one is close to the house? Will it despawn? Wander around and fall down a cliff? Help!
Also looking to trade the horse for a doggo

just build a fence and lead it in nothing happens when you're offline I had one last season