Paramount will release Hondo on Blu-ray on June 5. Looks to be just Blu-ray, though, NOT 3-D. Alas. Not that I have a 3-D television (nor am I interested in getting one). But there are folks out there who do have 3-D TVs now and I'm sure they'd love this in 3-D.
Here's an article about the filming of Hondo in 3-D:
http://www.3dfilmpf.org/info.html