It's difficult to get an idea of things when she's in soft footing. Firm, level-ish ground is the best. Sighting down from heel to toe is helpful too, to better gauge balance, depth & heel height. I don't think your farrier's too far off, but I'd certainly want to give her a go. Especially given the ridgy growth rings & stretched(appears not too bad) laminae, indicating laminitis. I'd be carefully checking her diet & aiming to trim to *keep* her feet in shape rather than wait till they overgrow before trimming.
Her heels look a bit long & underslung. They look like they could be lowered a bit, the quarters need 'scooping'(walls need to be at or near level with the sole rim right around) and the toes backed up, to relieve the walls, prevent the heels being pulled forward, and allow nice, tight, strong growth to grow down.
Looks like she's got a bit of a 'mustang roll' going, esp at the middle of her toe. It's unclear from those pics whether this is enough at the toe, given the stretching, but it needs to be continued right around the walls - the quarters & heels not so strong tho.
Looks likely she has sensitive heels, lives in a soft/wet environ. She's probably sensitive on gravel & rocks? If so, boots and frog support pads may be a good idea in situations she's not comfortable.
A lot depends on management and depends what /where you work & keep her. Info on her management & diet, etc would be helpful if you'd like more info. hoofrehab.com will also give you an idea of what you're looking for/at & help you understand the factors involved in healthy feet.