Too weak with KK with 2 spades on flop??

[skierdude1000]

[STT] $5 NL 4071880-27 Holdem No Limit 50/100
[Aug 3 01:39:23] : Hand Start.
[Aug 3 01:39:23] : Seat 1 : SCSLIM has $1,200
[Aug 3 01:39:23] : Seat 3 : wpwd has $2,880
[Aug 3 01:39:23] : Seat 4 : Diese has $1,840
[Aug 3 01:39:23] : Seat 5 : housjunkee has $2,940
[Aug 3 01:39:23] : Seat 7 : fouldsey has $6,370
[Aug 3 01:39:23] : Seat 8 : chaz69 has $2,770
[Aug 3 01:39:23] : SCSLIM is the dealer.
[Aug 3 01:39:23] : wpwd posted small blind.
[Aug 3 01:39:23] : Diese posted big blind.
[Aug 3 01:39:23] : Game [27] started with 6 players.
[Aug 3 01:39:23] : Dealing Hole Cards.
[Aug 3 01:39:23] : Seat 4 : Diese has Ks Kd
[Aug 3 01:39:27] : Stakes: 50/100 Current level: 3 Next level in: 4 min.
[Aug 3 01:39:27] : housjunkee folded.
[Aug 3 01:39:28] : fouldsey called 100
[Aug 3 01:39:28] : chaz69 folded.
[Aug 3 01:39:28] : SCSLIM folded.
[Aug 3 01:39:05] : wpwd called 50
[Aug 3 01:39:10] : Diese raised 300
[Aug 3 01:39:14] : fouldsey called 300
[Aug 3 01:39:17] : wpwd folded.
[Aug 3 01:39:18] : Dealing flop.
[Aug 3 01:39:18] : Board cards [9s Js 4c]
[Aug 3 01:39:18] : Stakes: 50/100 Current level: 3 Next level in: 3 min.
[Aug 3 01:39:28] : Diese bet 650
[Aug 3 01:40:07] : fouldsey folded.
[Aug 3 01:40:08] : Diese wins 900 as the last player standing


Usually I will bet pot when I have top pair or overpair and there is flush draw on board... in this case I wanted a call for some reason... good or bad play?