CO is 20/14/3.5 over 500 hands. BB is 16/14/1.2 over 200 hands. Thoughts?

$0.25/$0.5 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
UTG ($39.50)
CO ($81.90)
Hero (BTN) ($81.55)
SB ($25.25)
BB ($116.55)

Pre-flop: ($0.75, 5 players) Hero is BTN
1 fold, CO raises to $1.75, Hero calls $1.75, SB calls $1.50, BB calls $1.25

Flop: ($7, 4 players)
SB checks, BB checks, CO checks, Hero checks

Turn: ($7, 4 players)
SB checks, BB bets $4, CO calls $4, Hero calls $4, SB folds

River: ($19, 3 players)
BB bets $7, CO raises to $19, $19 to Hero ($75.80)?