stupid question about river bet

[Llama88]

one guy is all in, bb is 38/2/1.5, so really fishy, thinking back on it this should be 100% bet on river right?

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

MP: $145.85
CO: $78.85
Hero (BTN): $174.65
SB: $42
BB: $75.60
UTG: $90.25

Pre-Flop: A[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BTN)
3 folds, <font color="red">Hero raises to $3</font>, SB calls $2.50, BB calls $2

Flop: ($9) 8[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img] (3 Players)
SB checks, <font color="red">BB bets $4</font>, <font color="red">Hero raises to $14</font>, SB calls $14, BB calls $10

Turn: ($51) 6[img]/images/graemlins/diamond.gif[/img] (3 Players)
SB checks, BB checks, <font color="red">Hero bets $36</font>, SB calls $25 and is All-In, BB calls $36

River: ($148) 6[img]/images/graemlins/heart.gif[/img] (3 Players - 1 is All-In)
BB checks
Hero??????????

[thac]

He's got $30 left. Why wouldn't you shove?

[spivey]

Yes, yes, god yes. If he had you beat, he'd have just shoved because he has so little money left.