Is there anyway to root 4.3 enough without downgrading to back up my TA partition before I unlock the bootloader?
No, at the moment we can't root directly our 4.3. The only way to get a Full Root is with NUT method and you don't have to unlock your bootlader. If you want to unlock you bootlader you must downgrade, root with Vroot or 360, backup TA and then unlock it.
IF I HELPED DO NOT SAY THANKS, CLICK IT. My Evolution: Sony Xperia Z1 - UB + 4.3 Rooted + Deodexed, HTC HD2, HTC Diamond 2, HTC HD Blackstone, Nokia 7070 Prism, Qtek 9100, Nokia 3100, Motorola T720i, Nokia 3310, Sony Ericson PF 768 (Blue)
How Get Root on Sony Xperia Z1 with Locked Bootloader and the Latest Android 4.4
Not too long ago here on the XDA Portal, we covered how Google had made … more
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