Dollar isn’t all expensive – only if you want a four bedroomed stone built house on the high street. There are affordable houses too, some great ex local authority houses to rent at reasonable rates. It’s a nice enough village, good pub, take aways, coop, deli etc, probably not as lively as Bridge of Allan. Has a squash club, tennis courts, golf course.
Good biking access, using the railway line to Tilli and up Silver Glen into the Ochils for some cracking days out, past the castle and up into Glen Quay, or paths along the river and into Muckhart for a more gentle pootle. Not sure abut the horse riding.
BUT a faction of the village residents are ‘all about’ the school. A lot of the social stuff rotates around the school and there is a higher than average blonde perma-tan female contingent. I live just outside the village and this does not affect / worry me at all, but then I’m fairly unsociable anyway 🙂
EDIT: Dollar is really too far away to make riding into Stirling for an MTB ride feasible. Stirling itself has some great trails – Uni and Mine woods, Dumyat and a whole load to explore on the south side with Cambu woods and N3. If you want all that on your doorstep then stay in Stirling and accept the longer commute to Kincardine. I have lived in both and rode more (with more riding buddies) when I lived in Stirling.