A few years ago, I purchased Skyrim with Dawnguard, Dragonborn, and Hearthfire on Playstation 3; downloaded and installed everything no problem. I've completed just about everything one can do with all 3 DLCs and Skyrim itself. My game was severely lagging and freezing, so I started clearing my PS3 harddrive of game data information I no longer need since I sold those games (this was a recommendation I found online from those who'd been experiencing the same thing). While deleting game data off my Brother's account (not the main account, and not the account originally used to download anything related to Skyrim), I deleted all of the Skyrim data in the Game Data Utility. After finding out how to delete his user account, I reinstalled Dawnguard and Hearthfire.

Dawnguard: Nothing has been changed.

Dragonborn: The DLC refuses to reinstall after 11%, giving the error code "An error occurred during the install operation. (8001002B)". Everything related to Dragonborn in game has disappeared (Powers, Items, Map locations, Quests {open and completed}, however I still have all of my trophies from Dragonborn marked as earned.

Hearthfire: Everthing has reset to just before the lands were purchased. My wife, children, and every item I had in these houses has disappeared. Lydia was my Steward at one of the houses, but she has been reset to the Breezeway home. Hopefully this means my wife and children have reset to their prior locations, but I have not found them yet.

Skyrim still plays perfectly fine in all other areas.

Any ideas on:

1) What I did?

2) How I can fix Dragonborn?