I really can't figure out this hand. Thought he was raising with crap so I decided to pull the trigger with semi hand, thought he didn't want to drop down 60k in chips with some junk but he obv was willing too. Some 19th level thinking going on maybe?

Full Tilt Poker Game #6895093083: $32,000 Guarantee (51695194), Table 113 - 1500/3000 Ante 400 - No Limit Hold'em - 23:47:19 ET - 2008/06/19
Seat 3: ditones09 (108,787)
Seat 4: Chills_Lilley (51,210)
Seat 5: marathoner1 (48,188)
Seat 6: Gravenam (286,704)
Seat 7: bdawgmets420 (51,566)
Seat 8: undertheradar2 (126,733)
Seat 9: garreh (64,646)
ditones09 antes 400
Chills_Lilley antes 400
marathoner1 antes 400
Gravenam antes 400
bdawgmets420 antes 400
undertheradar2 antes 400
garreh antes 400
undertheradar2 posts the small blind of 1,500
garreh posts the big blind of 3,000
The button is in seat #7
*** HOLE CARDS ***
Dealt to garreh [Ks 8s]
ditones09 folds
Chills_Lilley folds
marathoner1 folds
Gravenam raises to 9,000
bdawgmets420 folds
undertheradar2 folds
garreh raises to 64,246, and is all in
Gravenam calls 55,246
garreh shows [Ks 8s]
Gravenam shows [7d Jd]
*** FLOP *** [9h 5c 5d]
*** TURN *** [9h 5c 5d] [Jc]
*** RIVER *** [9h 5c 5d Jc] [Th]
garreh shows a pair of Fives
Gravenam shows two pair, Jacks and Fives
Gravenam wins the pot (132,792) with two pair, Jacks and Fives
garreh: WTF?
garreh stands up
*** SUMMARY ***
Total pot 132,792 | Rake 0
Board: [9h 5c 5d Jc Th]
Seat 3: ditones09 folded before the Flop
Seat 4: Chills_Lilley folded before the Flop
Seat 5: marathoner1 folded before the Flop
Seat 6: Gravenam showed [7d Jd] and won (132,792) with two pair, Jacks and Fives
Seat 7: bdawgmets420 (button) folded before the Flop
Seat 8: undertheradar2 (small blind) folded before the Flop
Seat 9: garreh (big blind) showed [Ks 8s] and lost with a pair of Fives