Over the weekend, I played a Human Ranger in the Rose Street Revenge. I ran into this problem several times:
When using an Animal Companion and Recall Knowledge to trigger Monster Hunter, it's impossible to get a benefit from Hunt Target as I was limited to one attack. It's not clear to me whether Recall K. can be used every round until you Critically Succeed and the Target is Bolstered.
The lack of Actions to effectively use the Class feats seems to continue throughout the Ranger lower levels. Favored Aim requires two actions and gives you one attack. So Hunt Target does nothing if you're having to Command Animal every round. Same with Double Slice.
At 4th level, if you Double Slice and Twin Parry, you have no actions left to Command Animal. Even if the 4th level AC feat granted a free action (which it does not), you'd still have to wait until 5th level and burn a General or Ancestry feat to use both TWF feats along with your animal companion. That also leaves no opportunity to use Recall Knowledge to benefit from Monster Hunter.
The bottom line is that the Ranger's Class abilities are so Action taxing that using abilities means reduced damage as you're giving up attacks, something Hunt Target requires you to make if you're going to get any benefit. Remember, every time a Ranger has to switch Targets, it has to spend an Action to apply Hunt Target.
