Things are going pear-shaped. [Help diagnose what is wrong with this asian pear tree]

Recently planted and mulched into clay from bare-root, this asian pear tree was doing fine and loving life here in zone 7b...

...until it wasn't.

As you can see, the leaves are REFUSING (utterly refusing!) to uncurl, and it seems to be getting worse by the day. I can't tell if it is some byproduct of over/underwatering, or insects, or perhaps both...pear experts, lend me your opinions! The european pear I've planted just 10 feet away is doing fantastic.

it definitely could be from too much wet.

UPDATE:

We've had some dry weather, but no improvement on the leaves.

Any other ideas?

Are moles digging around under it? I had one almost kill one of my asian pears. Luckily it had enough strength to come back the year after and it’s fine now.