For this one, i prioritized [Charm] and survivability.

Tek ones help to [Extend] [Charm] duration, and as a bonus, it gives the little cat a chance (60%) to resist fatal damage.

Synth ones improve even more the survivability, not only for the cat but to de Warframe too (by droping health orbs) + ammo management

Link H/S + [Pack Leader] = survival, obvious.

and then we get to the most flexible ones, i personally like [Fetch] in any compannion, but [Mischief] can be changed by your will or necessity.