Good to hide, and hear 'em hunt — Riddle Poem

The Fox fits the Hound is the key. The fox here is a smart person like Dickinson who would wish her riddles be hunted and solved.

Good to hide, and hear 'em hunt! ¹
Better, to be found,
If one care to, that is,
The Fox fits the Hound－

Good to know, and not tell, ⁵
Best, to know and tell,
Can one find the rare Ear
Not too dull－

(F.945/J.842)

[1] hide:: to riddle the poems. hunt:: to trace and solve.
[2] Better, found:: it's better people can solve these riddles.
[3] care to:: to pay attention to.
[4] Fox:: a smart person. Hound:: one who solves these riddles.
[5] know, not tell:: to know there are riddles but cannot tell the answer.
[6] Best, tell:: the best one knows and tells the answer.
[7] the rare Ear:: one with good sense.
[8] dull:: grave or sluggish person, would be hard to solve these riddles.