hi all, I have a bit of a problem. it's not big by any means though.

so I've been breeding for a mixed Aegislash set and so far I haven't had too much luck (crossing a 3IV 0 speed and a 5IV 0 speed ditto) besides maybe this one:

I went to the battle institute and found out its IVs and it has 28/31/31/31/31/0. The guy said it was outstanding but unfortunately the hidden power dude said it had.. HP psychic which is completely useless. I was at least hoping for ice (odd/31/31/31/31/0)

should I keep going and use this, or keep it and not use any hidden power and just STAB moves?