Interesting sc hand

[jamez_kerry]

Was like my 10th hand at the table so sorry but no reads on villain.

Poker Stars - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 9 Players - (LegoPoker HH Converter)

SB: $18.60
BB: $21.35
UTG: $12.50
<font color="black">UTG+1: $25.30</font>
MP1: $24.05
MP2: $25.95
MP3: $30.90
<font color="black">Hero (CO): $25.50</font>
BTN: $24.65

<font color="black">Preflop:</font> Hero is dealt T[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/spade.gif[/img] (9 Players)
UTG folds, <font color="red">UTG+1 raises to $1.50</font>, 3 folds, Hero calls $1.50, 3 folds

<font color="black">Flop:</font> ($3.35) 8[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">UTG+1 bets $2.50</font>, Hero calls $2.50

<font color="black">Turn:</font> ($8.35) T[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">UTG+1 bets $5.25</font>, Hero calls $5.25

<font color="black">River:</font> ($18.85) 5[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">UTG+1 bets all-in for $16.05</font>, Hero folds

Pot Size: $34.90 ($0.90 Rake)

How many people are calling this river bet?
Comments on all streets welcome!