re: Which football team is more of a blue blood? UGA or LSU

Those two programs are extremely close in all-time results.

Currently Winsipedia has the following comparison:

All-time win%: #13. LSU (0.6553), #14. UGA (0.6547)
All-time wins: #11. UGA (830), #12. LSU (810)
National Championships: LSU 3, UGA 2
Conference championships: LSU 15, UGA 14
SEC Championships: UGA 13, LSU 12
Bowl games: #2. UGA 55, #8 LSU 50
Bowl win%: UGA 0.591, LSU 0.530
All-Americans: #16. LSU 35, #18. UGA 33
Heisman winners: UGA 2, LSU 2*
NFL Draft picks: #13. LSU (338), #14. UGA (330)
1st Round draft picks: #12. LSU 42, #14. UGA 36
Weeks in AP poll: #10. LSU (633), #12. UGA (595)
Head-to-head: LSU 18-13-1

LINK

I don't know of two closer programs in CFB.