What are your thoughts on my blocker bet?

WPN, $0.10/$0.25 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

Hero (SB): $25 (100 bb)
BB: $25.88 (103.5 bb)
UTG: $30.27 (121.1 bb)
MP: $42.64 (170.6 bb)
CO: $26.97 (107.9 bb)
BTN: $38.03 (152.1 bb)

Preflop: Hero is SB with Tc Th
UTG folds, MP raises to $0.75, 2 folds, Hero calls $0.65, BB folds

Flop: ($1.75) 9s 8d 3c (2 players)
Hero checks, MP bets $1.11, Hero calls $1.11

Turn: ($3.97) Qh (2 players)
Hero checks, MP bets $2.52, Hero calls $2.52

River: ($9.01) Td (2 players)
Hero bets $3.10, MP folds

Results: $9.01 pot ($0.45 rake)
Final Board: 9s 8d 3c Qh Td
Hero mucked Tc Th and won $8.56 ($4.18 net)
MP mucked and lost (-$4.38 net)