Bad Call of the Day #3

It's one of those spots where even though he only has three combos of value hands, he always has them. I tanked down and was thinking "he must have 77" but still ended up clicking call. Fail.

UTG: $2,293.90
MP: $615.75
CO: $852.95
Hero (BTN): $624.75
SB: $758.70
BB: $1,122.20

Pre-Flop: T A dealt to Hero (BTN)
3 folds, Hero raises to $12, SB calls $9, BB calls $6

Flop: ($36) 7 T A (3 Players)
SB checks, BB checks, Hero bets $25.65, SB folds, BB calls $25.65

Turn: ($87.30) 5 (2 Players)
BB checks, Hero bets $74, BB calls $74

River: ($235.30) 9 (2 Players)
BB checks, Hero bets $196.35, BB raises to $1,010.55 and is All-In, Hero calls $316.75 and is All-In

Results: $1,261.50 Pot ($3 Rake)
Hero showed T A and LOST (-$624.75 NET)
BB showed 7 7 and WON $1,258.50 (+$639.75 NET)